The Clamp,synchro, cataloged under National Stock Number 5340-01-428-2133, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-428-2133 |
| Primary Part Number | 12412721 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| Length | 4.250 INCHES NOMINAL IN |
| Style Designator | MOUNTING |
| Material Document and Classification | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE |
| Effective Height | 0.250 INCHES NOMINAL IN |
| Height | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Outside Edge to Bolt Hole Center Distance Along Length | 1.250 INCHES NOMINAL IN |
| Width | 3.000 INCHES NOMINAL IN |
| Material | STEEL |
| Hole Diameter | 0.530 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-01-428-2133 is a Clamp,synchro, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-428-2133 has 4 manufacturer part numbers on file: 12412721 (Landoll Company, Llc), 12412721 (U S Army Tank Automotive Command Amsta-Im-Mm), 12412721 (Amz Alabama Inc.), 12412721 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 12412721: Length: 4.250 INCHES NOMINAL IN; Style Designator: MOUNTING; Material Document and Classification: ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE; Effective Height: 0.250 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.